Buderus Logalux LT135/2 Installation And Maintenance Manual Download Page 2 | Manualshive

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Foreword

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We reserve the right to make any changes due to technical modifications!

Installation and Maintenance Manual Logalux LT135/2 – 300/2 • Issue 05/2003

Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de

Technical Changes!

Buderus Hydronic Systems, Inc. reserves the right to
make changes due to continued technological and
engineering improvements.

Updating Technical Information

Please contact us if you have suggestions for improving
this manual or when you have noticed incorrect
information.

To these instructions

This Installation and Maintenance manual contains
important information regarding proper installation,
operation and maintenance of the indirect fired domestic
hot water tank series LT135/2 - 300/2 (DHW storage
tank).

The installation and maintenance instructions are
directed at a licensed installing contractor with
knowledge of accepted industry practices for the
installation and maintenance of the equipment and
various applications of the equipment involved.

Please inform the owner regarding proper use of the
equipment and point out the safety components and
features of the equipment.

Please hand over after finalizing the installation
these technical documents to the end user.

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Summary of Contents for Logalux LT135/2

Page 1: ...6302 4827 05 2003 US For Installers Read these Instructions Carefully for Assembly and Maintenance Installation and Maintenance Manual Indirect fired Water Heaters Logalux LT135 2 300 2 ...

Page 2: ... To these instructions This Installation and Maintenance manual contains important information regarding proper installation operation and maintenance of the indirect fired domestic hot water tank series LT135 2 300 2 DHW storage tank The installation and maintenance instructions are directed at a licensed installing contractor with knowledge of accepted industry practices for the installation and...

Page 3: ...echnical Information 7 4 1 Dimensions and Connections 7 4 2 Safety Standards 7 5 Transport and Placement 8 5 1 Moving the Tank on a Pallet 8 5 2 Moving the Tank Unpackaged 9 6 Tank Installation 10 6 1 Placement of the Tank 10 6 2 Installation of Water Piping 11 6 3 Installation of Temperature Sensor Aquastat 12 6 4 Checking Magnesium Anode Connection 12 7 Putting the Tank in Operation 13 7 1 Putti...

Page 4: ...nd Test Equipment Standard tools and equipment from the HVAC industry are required for the installation Other useful components Dolly with strap Transport aids 3 pipes with NPT or 1 NPT see page 9 Dry vac for cleaning Electrical test equipment to check anode operation Caution Please observe the local and state requirements regarding equipment installation NOTICE When installing the tank in the sta...

Page 5: ...l friendly manner The old replaced DHW tank if present shall be disposed off properly WARNING HEALTH DANGER Denotes a possible severely dangerous situation where without proper caution bodily injury or loss of life may result CAUTION DANGER OF INJURY SYSTEM DAMAGE Denotes a possible dangerous situation that can lead to mild to moderate bodily injury or physical damage WARNING DANGER Due to electri...

Page 6: ... Fig 1 Item 2 for maintenance and service access Insulation Fig 1 Item 3 The insulation consists of high density polyurethane directly attached to the tank vessel An insulating ring Fig 1 Item 6 reduces heat loss from the clean out cover Domestic water temperature sensor bracket when using Buderus Logamatic control Fig 1 Item 4 The sensor is strapped under the clip on the clean out cover for tempe...

Page 7: ...connection well for Honeywell aquastat VS Boiler Water Supply EK DHW Inlet RS Boiler Water Return EL Tank Drain Type Tank content VS RS AW EK EL EZ Length L Weight1 Gal In Lbs LT135 2 36 NPT 1 NPT 1 NPT 32 190 LT160 2 42 36 220 LT200 2 53 42 247 LT300 2 79 57 364 Maximum Value Tempe rature Operating pressure Test pressure2 C F bar psi bar psi Boiler water 100 212 16 232 1 k A 1 Domestic water 95 2...

Page 8: ...ed with boiler in plastic bag about into the bottom of the tank Remove the two wooden corner posts Fig 3 Item 1 from the bottom side of the tank Tip the tank horizontally using the pallet as support Fig 4 Remove rest of plastic wrapping packaging material and pallet by lifting the tank carefully NOTICE The storage tank can be moved in its original packaging This will protect the tank against possi...

Page 9: ...the tank Remove the 4 front panel screws Fig 5 Remove front panel Pull the front and bottom of the panel back Remove insulating ring One carrying pipe stub NPT for the front of the tank Screw a coupling on a pipe end Fig 6 Item 1 Tread coupling on front clean out cover Two carrying pipe stubs 1 NPT on rear side of tank Screw two 1 coupling on two pipe ends Fig 7 Item 1 Screw carrying pipe stubs on...

Page 10: ...ions for proper access and service Fig 8 Buderus requires maintaining a minimum clearance of 2 between hot water piping and combustible surfaces Make sure that the floor is level and sufficiently strong The tank can be installed on combustible flooring as long as the screw in feet are used Level the tank using the adjustable feet Fig 9 Fig 8 Placement of tank Recommended clearances min 26 in min 1...

Page 11: ...stall tank drain on connection of brass tee at the EK EL connection If using a Logamatic control or Goldline SP30D control plug EZ connection or use it for DHW recirc If using a Honeywell aquastat for tank water sensing use furnished coupling and long shank immersion well on EZ connection to mount Honeywell aquastat on CAUTION TANK DAMAGE In the domestic water connections AW EZ and EK you will fin...

Page 12: ...engthen the wiring for the LT300 2 model by splicing in 18 gauge wire Pull the sensor wiring out of the raceway on the front of the tank Guide the sensor wiring through the knock out in the tank insulation Fig 12 Item 4 to the clean out cover Slide the sensor under the strap on clip Fig 12 Item 3 on the clean out cover and tighten this clip 6 3 2 Honeywell Aquastat When using a Honeywell aquastat ...

Page 13: ... that the boiler tank and water lines are filled with water Open a hot water faucet at the highest location for this purpose Close faucet afterwards Check all connections water lines and clean out cover for leaks 7 1 1 Installation of Insulation and Front Cover Place insulation ring Fig 14 Item 2 on clean out cover Install front cover Fig 14 Item 1 and secure with 4 screws Fig 13 Installation diag...

Page 14: ...time we recommend the following Keep the tank in operation Set the control to the vacation function Logamatic or set the tank to its minimum setting When the tank has been taken out of operation observe local code and regulations regarding placing the tank back in operation and possibly rinsing the domestic water lines CAUTION TANK DAMAGE When the pressure temperature relief valve is blocked or da...

Page 15: ... Maintenance Disconnect electricity to the heating system Remove front cover and insulation ring from the tank see Chapter 5 2 Moving the Tank Unpackaged page 9 Drain tank Shut off the cold feed EK and open tank drain Fig 10 page 11 Open the highest faucet for venting Remove hex head bolts Fig 15 Item 4 from the clean out cover Fig 15 Item 3 Remove clean out cover together with Magnesium anode Fig...

Page 16: ...emove the deposits from the bottom of the tank When large quantities of lime and deposits are found in the tank it is advisable to remove these using a chemical treatment We recommend to have the chemical cleaning performed by a professional service company 8 3 Checking Anode Operation The Magnesium anode rod is a sacrificial rod that will be consumed during use You must verify the status and diam...

Page 17: ...lt Fig 17 Item 7 Connect red cable Fig 17 Item 5 of MM to the anode Ensure clean metallic surfaces for terminal connections The tank must be filled with water during the test A reading between 3 mA and 10 mA on the MM is good Record readings each year in the Table 3 Record the test date and sign off in the table below Properly reconnect the grounding cable after each test NOTICE Do not contaminate...

Page 18: ...he ground cable Fig 18 Item 8 Remove M8 nut Fig 18 Item 7 Separate clean out cover Fig 18 Item 3 from the Magnesium anode rod Fig 18 Item 1 Replace Magnesium anode rod Install new rod including the small parts as shown in Fig 18 Fig 18 Changing out of the Magnesium anode rod Item 1 Magnesium anode Item 2 Gasket Item 3 Clean out cover Item 4 Insulation piece Item 5 Flat washer Item 6 Lock washer It...

Page 19: ... Fill the tank and turn on the heating system Check all connections and clean out cover for leaks Put back the insulation ring Fig 20 Item 2 Put the front cover Fig 20 Item 1 back and secure with 4 screws Fig 19 Installing a new anode rod Item 1 Magnesium anode Item 2 Clean out cover gasket Item 3 Clean out cover Item 4 Hex head bolt Item 5 Ground cable tap 3 2 4 1 5 CAUTION SYSTEM DAMAGE Due to d...

Page 20: ...03 552 1100 Fax 603 584 1681 www buderus net BBT North America Corporation reserves the right to make changes without notice due to continuing engineering and technological advances Heating Contractor PRODUCTS MANUFACTURED BY BBT Thermotechnik GmbH 35573 Wetzlar www buderus de ...

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